Upstarts Media | Alex Konrad | Substack

Startup news starts here. Founded by veteran tech reporter Alex Konrad, Upstarts delivers in-depth reporting and analysis on the startup ecosystem, from inception through IPO. Click to read Upstarts Media, by Alex Konrad, a Substack publication.

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Upstarts Media | Alex Konrad | Substack · Sep 10, 2026

ENTREPRENEURSHIP AND STARTUPS

Claude Code, Codex, And Cursor Have Leaky Sandbox Problems You Don’t Hear About

Stealth startup Accomplish’s founders flagged issues to Anthropic, Cursor and OpenAI this summer. They warn that coding agents have a bigger, structural security problem.

SAN FRANCISCOTEL AVIV

Upstarts Media | Alex Konrad | Substack · Sep 09, 2026

ENTREPRENEURSHIP AND STARTUPS

Fast-Growing AI Sales Startup Lightfield Raises $47M For Its ‘Business World Model’

CEO Keith Peiris took Lightfield from a painful pivot as Tome to 5,000 business customers, and 400% net dollar retention for his 'business world model.'

LIGHTFIELD

Upstarts Media | Alex Konrad | Substack · Sep 03, 2026

ENTREPRENEURSHIP AND STARTUPS

SCOOP: Conflict With Instinct Knocks Index Out Of Town’s Buzzy New Raise

Exclusive details on Town’s new $90M fundraise at a $1B valuation, and the eleventh-hour cap table reshuffling of VCs behind it, per Upstarts sources.

Upstarts Media | Alex Konrad | Substack · Sep 03, 2026

ENTREPRENEURSHIP AND STARTUPS

What Fetches Top Dollar On The Dead Startup Data Marketplace?

Demand for company code and workplace data is soaring at AI labs and new vertical players. SimpleClosure CEO Dori Yona breaks down data from 350+ startup sellers.

Upstarts Media | Alex Konrad | Substack · Aug 26, 2026

ENTREPRENEURSHIP AND STARTUPS

This AI Startup’s New Model Could Unlock Cost-Effective Computer Use

Computer use still hasn’t taken off. Yutori says it’s solved the problem with n2, a 27B parameter model that delivers frontier performance at a fraction of the price.